1.5 



•v«n 



55 1.0 



0.5 



• Powder Erosion 

 X Electrical Goqe 

 ■ Wet Paper 



v., 



r^. 





X 9 * " 



0° 20° 40° 60° 80° 100° 120° 140° 160° 180° 

 Orientation Angle, a 



Figure A-4. Peak water level around 3-inch circular pile measured by 

 three techniques. Test conditions: T = 3.10 seconds, 

 E = 4.0 inches, d = 1.00 foot, G = 25 feet. 



78 



